Automate lead qualification with RetellAI Phone Agent, OpenAI GPT & Google Sheet
n8n14 modulesv1.0Build a Phone Agent to qualify outbound leads and schedule inbound calls Who is this for? This workflow is designed for sales teams, call centers, and businesses handling both outbound and inbound lead calls who want to automate their qualification, follow-up, and call documentation process without manual intervention. It’s ideal for teams using Google Sheets, RetellAI, OpenAI, and Gmail as part
At a glance
Automate lead qualification with RetellAI Phone Agent, OpenAI GPT & Google Sheet is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects Gmail, Notion, Google Sheets, OpenAI. It's free to download. Follow the 5-step import below to go live in minutes.
- Platform
- n8n
- Connects
- Gmail, Notion, Google Sheets, OpenAI, Twilio, LinkedIn
- Modules
- 14
- Price
- Free
- Version
- v1.0
About this workflow
Build a Phone Agent to qualify outbound leads and schedule inbound calls Who is this for? This workflow is designed for sales teams, call centers, and businesses handling both outbound and inbound lead calls who want to automate their qualification, follow-up, and call documentation process without manual intervention. It’s ideal for teams using Google Sheets, RetellAI, OpenAI, and Gmail as part of their tech stack. --- Real-World Use Cases - 🛍 E-commerce – Instantly handle product FAQs and order status checks, 24/7. - 🏬 Retail Stores – Share store hours, directions, and return policies without lifting a finger. - 🍽 Restaurants – Take reservations or answer menu questions automatically. - 💼 Service Providers – Book appointments or consultations while you focus on your craft. - 📞 Any Local Business – Deliver friendly, consistent phone support — no live agent required. --- What problem is this workflow solving? Managing lead calls at scale can be chaotic—between scheduling outbound qualification calls, handling inbound appointment requests, and making sure every call is documented and followed up. This workflow automates the entire process, reducing human error and saving time by: - ✅ Sending reminders to reps for outbound calls - ✅ Automatically placing calls with RetellAI - ✅ Handling inbound calls and checking caller details - ✅ Generating and emailing call summaries automatically --- What this workflow does This n8n template connects Google Sheets, RetellAI, OpenAI, and Gmail into a seamless workflow: 1. Outbound Lead Qualification Workflow - Triggers when a new lead is added to Google Sheets - Sends an SMS notification to remind the rep to call in 5 minutes - (Optional) Waits 5 minutes - Initiates an automated call to the lead via RetellAI 2. Inbound Call Appointment Scheduler - Receives inbound calls from RetellAI (via webhook) - Checks if the caller’s number exists in Google Sheets - Responds to RetellAI with a success or error message 3. Post-Call Workflow - Receives post-call data from RetellAI - Filters only analyzed calls - Updates the lead’s record in Google Sheets - Uses OpenAI to generate a call summary - Emails the summary to a team inbox or rep --- Setup ✅ You need an active RetellAI API key 1. Sign up for RetellAI, create an agent, and set the webhook URLs (n8ncall for call events). 2. Purchase a Twilio phone number and link it to the agent. ✅ Your Google Sheet must have a column for phone numbers (e.g., "Phone") ✅ Gmail account connected and authorized in n8n ✅ OpenAI API key added to your environment variables or credentials 1. Configure your Google Sheets node with the correct spreadsheet ID and range 2. Add your RetellAI API key to the HTTP request nodes 3. Connect your Gmail account in the Gmail node 4. Add your OpenAI key in the OpenAI node 👉 See full setup guide here: Notion Documentation --- How to customize this workflow to your needs - Change SMS content: Edit the text in the “Send SMS reminder” node to match your team’s tone - Modify call wait time: Enable and adjust the “Wait 5 minutes” node to any delay you prefer - Add CRM integration: Replace or extend the Google Sheets node to update your CRM instead of a spreadsheet - Customize call summary prompts: Edit the prompt sent to OpenAI to change the summary style or add extra insights - Send email to different recipients: Change the recipient address in the Gmail node or make it dynamic from the lead record --- Need help customizing? Contact me for consulting and support : Linkedin
How to import this n8n workflow
- 1
Download the workflow JSON file after purchase.
- 2
Open n8n → click the menu → Import from File.
- 3
Select the downloaded JSON and import.
- 4
Set up credentials for each node that requires them.
- 5
Click Execute Workflow to test, then activate.
Setup guide
Setup guide included
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